diff options
Diffstat (limited to 'sys-apps/busybox/files/mdev/usbdev')
| -rw-r--r-- | sys-apps/busybox/files/mdev/usbdev | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/sys-apps/busybox/files/mdev/usbdev b/sys-apps/busybox/files/mdev/usbdev index ea5b9155736c..eda3825df287 100644 --- a/sys-apps/busybox/files/mdev/usbdev +++ b/sys-apps/busybox/files/mdev/usbdev @@ -5,7 +5,7 @@ # add zeros to device or bus add_zeros () { - case "$(echo $1 | wc -L)" in + case "$(echo "$1" | wc -L)" in 1) echo "00$1" ;; 2) echo "0$1" ;; *) echo "$1" @@ -15,48 +15,48 @@ add_zeros () { # bus and device dirs in /sys -USB_PATH=$(echo $MDEV | sed -e 's/usbdev\([0-9]\).[0-9]/usb\1/') -USB_PATH=$(find /sys/devices -type d -name "$USB_PATH") -USB_DEV_DIR=$(echo $MDEV | sed -e 's/usbdev\([0-9]\).\([0-9]\)/\1-\2/') +USB_PATH=$(echo "${MDEV}" | sed -e 's/usbdev\([0-9]\).[0-9]/usb\1/') +USB_PATH=$(find /sys/devices -type d -name "${USB_PATH}") +USB_DEV_DIR=$(echo "${MDEV}" | sed -e 's/usbdev\([0-9]\).\([0-9]\)/\1-\2/') # dir names in /dev -BUS=$(add_zeros $(echo $MDEV | sed -e 's/^usbdev\([0-9]\).[0-9]/\1/')) -USB_DEV=$(add_zeros $(echo $MDEV | sed -e 's/^usbdev[0-9].\([0-9]\)/\1/')) +BUS=$(add_zeros "$(echo "${MDEV}" | sed -e 's/^usbdev\([0-9]\).[0-9]/\1/')") +USB_DEV=$(add_zeros "$(echo "${MDEV}" | sed -e 's/^usbdev[0-9].\([0-9]\)/\1/')") # try to load the proper driver for usb devices -case "$ACTION" in +case "${ACTION}" in add|"") # load usb bus driver - for i in $USB_PATH/*/modalias ; do - modprobe `cat $i` 2>/dev/null + for i in "${USB_PATH}"/*/modalias ; do + modprobe "$(cat "$i")" 2>/dev/null done # load usb device driver if existent - if [ -d $USB_PATH/$USB_DEV_DIR ]; then - for i in $USB_PATH/$USB_DEV_DIR/*/modalias ; do - modprobe `cat $i` 2>/dev/null + if [ -d "${USB_PATH}/${USB_DEV_DIR}" ]; then + for i in "${USB_PATH}/${USB_DEV_DIR}"/*/modalias ; do + modprobe "$(cat "$i")" 2>/dev/null done fi # move usb device file - mkdir -p bus/usb/$BUS - mv $MDEV bus/usb/$BUS/$USB_DEV + mkdir -p "bus/usb/${BUS}" + mv "${MDEV}" "bus/usb/${BUS}/${USB_DEV}" ;; remove) # unload device driver, if device dir is existent - if [ -d $USB_PATH/$USB_DEV_DIR ]; then - for i in $USB_PATH/$USB_DEV_DIR/*/modalias ; do - modprobe -r `cat $i` 2>/dev/null + if [ -d "${USB_PATH}/${USB_DEV_DIR}" ]; then + for i in "${USB_PATH}/${USB_DEV_DIR}"/*/modalias ; do + modprobe -r "$(cat "$i")" 2>/dev/null done fi # unload usb bus driver. Does this make sense? # what happens, if two usb devices are plugged in # and one is removed? - for i in $USB_PATH/*/modalias ; do - modprobe -r `cat $i` 2>/dev/null + for i in "${USB_PATH}"/*/modalias ; do + modprobe -r "$(cat "$i")" 2>/dev/null done # remove device file and possible empty dirs - rm -f bus/usb/$BUS/$USB_DEV - rmdir bus/usb/$BUS/ 2>/dev/null + rm -f "bus/usb/${BUS}/${USB_DEV}" + rmdir "bus/usb/${BUS}/" 2>/dev/null rmdir bus/usb/ 2>/dev/null rmdir bus/ 2>/dev/null esac |